OS X Mavericks :: Kernel Task Massive Upload (no High CPU Usage)

Jun 22, 2014

Noticed i was uploading at high speed (8MB/s) constantly. So i check activity monitor, and kernel_task is uploading huge amount of data, so far 20+gb this morning...

I'm not getting a massive CPU usage (10-15%). 

Tried restarting, just starts up again after a couple of minutes.

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MacBook Pro :: Kernel Task Reaches High CPU % After Boot?

Jul 2, 2014

I've had my macbook pro repaired a few weeks ago (new battery and keyboard).. Ever since then every time I boot it its superslow ... + with high activity on kernel_task.. When I close the lid and open it after 5 seconds again the problem is gone.

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OS X Mavericks :: Kernel Task Is Using Many Resources On Mac

Sep 2, 2014

I was working on my Mac but is coming very slow sometimes so I found the problem is the kernel task. 

Lex I already use the Clean My Mac and since the first time I delete a lot of things I don't even remember how many. Should I format my drive? 

About the iCleanMemory so the system will clear the RAM by it self or should I do something different or use another program? 

So here is the report: EtreCheck version: 1.9.15 (52)Report generated 2 de septiembre de 2014 16:58:23 GMT-4 Hardware Information: ?  MacBook Pro (Retina, 13-inch, Early 2013) (Verified)  MacBook Pro - model: MacBookPro10,2  1 3 GHz Intel Core i7 CPU: 2 cores  8 GB RAM Video Information: ?  Intel HD Graphics 4000 - VRAM: (null)  Color LCD 2560 x


MacBook Pro with Retina display, OS X Mavericks (10.9.4)

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OS X Mavericks :: Kernel Task Absorbing Too Much RAM On IMac

Sep 10, 2014

The kernel task is taking up too much ram on my iMac is there a clear solution to resolving the issue or do i need to do a clean install?

Bootup is slow, applications open slowly and sometime hang.

iMac (27-inch Mid 2011), Mac OS X (10.7.5)

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OS X Mavericks :: Kernel Task Using 1.03GB RAM In Activity Monitor?

Aug 20, 2014

I  have a 13inch MBP running Mavericks 10.9.4 with a 2.7 GHz i7, 16GB RAM, 500GB HD. I just recently had the machine Factory Reset. The only APP's I've added are PAGES, NUMBERS and KEYNOTE.  When I check the ACTIVITY MONITOR it indicates that out of 16GB of RAM MEMORY, 5.51GB is being used. Usually ACTIVITY MONITOR indicates that as much as 9GB RAM is being used. This MBP is 3 years old and I clearly upgraded the RAM from 4GB (I think) to 16GB. Since this MBP used to run with only 4GB of RAM total; it seems to me that the current amount of memory being used, from 5.51GB up to 9GB out of 16GB total RAM is unusually high. In addition, the above numbers were displayed when only Safari and Activity Monitor are running. Is this normal for Mavericks OSX?

Pro, OS X Mavericks (10.9.4), MBP 2.7 GHz i7 16 GB RAM, 500 GB HD

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OS X Mavericks :: Crashed Then High CPU Usage

Jun 5, 2014

Out of the blue, my MBP Retina crashed, went to a grey screen. I restarted it and noticed the bottom was getting warm. I ran Activity Monitor and it show perl5.16 was using 97-98% of the CPU.

MacBook Pro with Retina display, OS X Mavericks (10.9), I met Steve in 1976. He used my Kloss NovaBeam projector.

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OS X :: Kernel Task Is A RAM Hoarder?

Aug 15, 2009

Is there any specific reason Kernel_Task seems to think he owns the place? What gives? It's like I turn my MacBook on and he's all like "oh hai! Ize just a system task! 50mb of memory? That's cool that's cool" Then only 2 hours later he's all like "Nah man, I just needed some more room see, it's like 120mb ain't dat much, k?"

I know that OS X handles ram real good and all, by freeing memory when it's required for higher-priority tasks, but I also know that it takes a bit more time to clear that memory AND re-allocate it...

So, is this a memory leak? And while I'm at it what about iChat Agent and Colloquy that are battling out to be RAM champ?

OH, and I haz 2gb installed at the moment.

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MacBook Pro :: Kernel Task Uses 300% CPU

Aug 28, 2014

After installing Mavericks in  my 13" mid-2012 MacBook Pro, A proccess called kernel_task uses 300% CPU.

HD 500 GB
Core i5
Mavericks OSX 10.9.4

I run  powermetrics

****  Interrupt distribution **** CPU 0:  Vector 0x46(SMC): 7.33 interrupts/sec  Vector 0x56(HDEF/EHC1): 2.97 interrupts/sec  Vector 0x72(IGPU): 323.07 interrupts/sec  Vector 0x73(XHC1): 9.51 interrupts/sec  Vector 0x76(SATA): 7.73 interrupts/sec  Vector 0x78(ARPT): 35.85 interrupts/sec  Vector 0xdd(TMR): 995.75

[Code] ....

MacBook Pro, OS X Mavericks (10.9.4)

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OS X :: Kernel Task Has Over 1,900 Threads Open?

Jul 17, 2010

I've been recently realizing that every time i use safari or socialite for a few mins I get a lot of 'beach ball' time. The application would show in red (not responding) in activity monitor and kernel_task would have over 1,900 threads, that will decrease slowly after I force quit the applications.

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MacBook Pro :: Why Does Kernel Task Take Up So Much Memory

Feb 19, 2012

My computer keeps freezing and applications keep shutting down unexpectantly. So when  I went into the activity monitor I saw that Kernal_task and inkjet1 seem to be taking up the most CPU, threads, and memory. What are they? How can I make my computer more efficient? Are these processess causing my computer to be so slow and freezy?

MacBook Pro, Mac OS X (10.5.8)

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MacBook Pro :: Kernel Task Using Over 100 Percent CPU

Apr 19, 2012

I have been experiencing the fan running at high rpm and the computer completely slowing down when there is slight pressure applied to the bottom of my macbook pro. I went on Activity Monitor and it shows kernel_task running at over 100% cpu usage. I have already tried resetting PRAM and SMC but those did not work.

MacBook Pro, Mac OS X (10.7.3)

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MacBook Air :: Kernel Task Takes More Than 300% CPU

Jun 4, 2014

Super slow macbook air and kernel task takes more than 300% CPU….

EtreCheck version: 1.9.11 (43) - report generated 4 June 2014 23:33:53 GMT 07:00 
Hardware Information:MacBook Air (11-inch, Mid 2011)MacBook Air - model: MacBookAir

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MacBook Pro :: Kernel Task Eating Upto 152mb Of Ram?

Jan 18, 2008

I had my first leopard problem on my 1.67 15" powerbook last night. I lost bluetooth so I restarted, I went to the activity monitor and there was a kernel task eating up 152 mb of my ram. All updates are current and I have 2gb of ram. Any ideas as to what this action is doing. I also have a dual 2.4 g5 with 3.5 gb of ram(but no kernel task issues).

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MacBook Pro :: Kernel Task Takes A Huge Space In Memory

Aug 28, 2014

Product name: Macbook pro 13-inch
Processor speed: 2.5 GHz
Memory: 4 GB
Storage capacity: 500 GB
Software: OS X 10.9.4  

In the memory tab in activity monitor, it shows kernel_task which takes up 440 MB. It takes a huge amount of my memory. Also, my macbook pro is running down. I believe that one of the reason for this is kernel task. How do I fix this? 

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OS X :: Open Activity Monitor, Kernel Task Is Using Approx 240 MB Of Real Memory & 67 Of Virtual?

Jul 14, 2010

When I open Activity Monitor, kernel_task is using approx 240 MB of real memory, and 67 of virtual. All I have open is Safari (and Activity Monitor)Seems like alot of real memory for one process.

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OS X :: Why Is Hdd Usage Always So High

Apr 24, 2009

There is some type of problem with my System.

My computer has been running incredibly slow lately. I think it has to do with the disk usage as every time it has to access the disk, it slows to a crawl. I've had a huge amount of beach balling, especially when loading a new App or a new page in Safari.

Here is a picture of the disk usage. Does this look normal? Does anyone know what the problem could be?

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Mac Pro :: VM Usage High - Is It Normal

Oct 15, 2008

Just wondering if this is normal? Almost 30gb of VM in use? I'm encoding one of my DVDs and Handbrake is only using about 90mb of real memory while a bunch of background apps are using about 600-800mb of VM memory. Yesterday I encoded a DVD in like 20 minutes. I did a restart to refresh my memory but it's taken like over 2 hours of encoding and it's not done yet.

Attached is a picture of my Activity Monitor.

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OS X :: High CPU Usage With Video

Feb 26, 2009

I've searched all over the internet but have yet to come across an answer. I love my Mac, but why is it that when I play a video in a web browser on my MacBook, (be it Flash, QuickTime, etc.) my CPU usage is anywhere from 60-80%, yet when I play the same video on a laptop running Windows, the CPU usage is always in the single digits?

I realize that video takes a toll on the CPU with integrated video cards, but it doesn't seem to have the same effect on Windows based laptops with integrated video cards. Is the CPU usage possibly just calculated differently, or is the Mac architecture somehow just really inefficient at this?

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OS X :: IChat CPU Usage Very High?

Mar 7, 2009

Whenever I start iChat on my new mini, it instantly spikes up the CPU usage and just sits there high. Activity Monitor says it's around 97%. I'm not doing anything in it; just starting the app gets it up there, and the only way to get it to go down again is to close the app. It doesn't seem to make a difference whether I'm online or off.

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OS X :: High CPU Usage For No Apparent Reason?

Oct 7, 2009

A few days ago I found that launchd was constantly using around 14% of my CPU (via iStat), which drastically lowered my battery life and caused my CPU to reach 75 degrees Celsius and higher. Initially I thought that SL just needed to do something, so I ignored it. But it has persisted for a few days now, so I decided to do something about it.

I checked the Console and nothing appeared to be repeating itself, so what I did was use MainMenu to perform a batch of system maintenance tasks, and then left my Mac on overnight to see what Console would report. Besides hourly instances of "kernel" running "iCalHelper" and "SubmitDiagInfo", there was nothing else.

However, launchd lowered its CPU usage to about 3%, but it is still constant and my CPU is still at a constant 40-50%. Activity Monitor says the following processes are (constantly) taking only 1-4% of the CPU:
...and others
The CPU is reported as 35% User and 20% System. But I am not running anything besides Activity Monitor.

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MacBook Air :: Kernel_task At 130 Cpu Usage Too High?

Apr 8, 2009

My MBA (Ver A 1.6) just started getting the "sluggish" symptoms. Started noticing that my CPU gets stuck at 90~100% after about 30 min of use, since about a week ago. I keep restarting the computer and after about 30 min, my MBA becomes very sluggish and iStat shows both CPU bars all the way to about 100%.

When this happens, the activity monitor shows the kernel_task at 125~130. This is too high, right? If it is, what's causing this? I can't imagine that any of the programs that I regularly use will cause this.

Here's the screen shot of the activity monitor.

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OS X :: CPU Usage Is High When Playing A Game?

Jun 23, 2009

I've had my unibody Macbook since October. Recently I installed a few game apps including Sims 3. The problem is that when I try to play a game, it shows that my CPU usage is around the 100 range, the temperature is around 150 degrees, and the fan is around an average of 4000 rpm. It gets annoying cause you can hear the fan making a loud noise, I'm not sure if its my laptop or some other problem.

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MacBook Pro :: High Ram Usage - What Is Consumption

Jul 23, 2010

I've noticed that my macbook pro has been using a lot of RAM. I haven't really witnessed a slowdown on my computer b/c of any sort of shortage of RAM but I was just curious if this was typical (since this is my first mac). I have 4 GB of RAM and I often find myself with around 1-1.5 GB of free + inactive RAM. I had a linux system with 3 GB RAM before and it used between 1-1.8 GB of RAM and it seems like this system is using around 2.5-3 GB (active + wired). However, various OS X laptops in the past have functioned really well in the past with 2 GB and even 1 GB of RAM right? Is OS X just putting more processes in my RAM to speed up my system because more RAM is available OR does snow leopard just have high memory consumption?

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OS X V10.7 Lion :: Cpu Usage After Standby Very High?

Apr 21, 2012

After standby mode my iMac 2011 with 10.7.3 seems to run corrupt with the kernel and activitymonitord tasks. CPU usage on one core runs to 100% only by scrolling fast in a window (finder, firefox, activity window). It happend without any system adjustment nor on any update or new software. Had the same issue months ago. Helped to went back to 10.7.2 and upraded again to 7.3 via combo update. System is after standby not usable, have to start system new as work around. Found same issue with other users on the web, but no solution.  

iMac (21.5-inch Mid 2011), Mac OS X (10.7.3)

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OS X V10.7 Lion :: ITunes High Usage Of CPU?

Jun 24, 2012

iTunes high usage of CPU

iMac, Mac OS X (10.7.2)

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MacBook Pro :: Using Photoshop Up To 15MB - CPU Usage Very High

Sep 7, 2010

I believe there might be something wrong with my MacBook Pro-It's a late 2008 one, mid configuration. Intel C2D 2.4 Ghz, 2 graphics card, 2GB RAM, ... (Using SL)

I usually find myself using up most of the RAM, with 96MB of RAM left right now, and sometimes when using Photoshop, up to 15MB. My CPU usage is quite high, with Chrome using 17% + other Chrome processes.

I'm only opening up 13 active tabs with 12 pinned and disabled tabs; Is the CPU usage too high?

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Applications :: ITunes 10.0.1 Strange High CPU Usage?

Oct 11, 2010

I have white macbook c2duo 2GHz.After last iTunes update it still consumes about 60% of CPU whe running. If I say running i mean that it's not playing any music. Library Sharing is off. I was trying to find out something but i had no luck. Only I can say is that the same thing is occuring on my friend "Old" Macbook Pro (intel c2duo) but not on any iMac or Unibody Macbook i have seen.

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MacBook :: CPU Usage Very High Just Using Safari/firefox?

Mar 6, 2009

The HD crashed about 2 years ago, and since the replacement (TOSHIBA MK6034GSX 60GB) the CPU will go very hot 80+C and the fan going to 6200rpm if visiting some internet pages. Normally a problem if (when) the kids are playing free online games or visiting youtube or similar. Made a screenshot, notice CPU usage around 112%, smartfan showing 70C and 6200rpm. I have taken the mac physically apart and cleaned the cooling duct and applyed new thermal paste. Didn't help. It drives me crazy, I hate noisy computers.

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MacBook :: Stuck At High CPU Usage Rate

Apr 20, 2009

I will be running MS Excel, preview, firefox, and activity monitor. All of a sudden my Activity monitor says that there is about % User of 50% and the fan will start running. I cannot find what program is making it run this high. I quit every program and it gets stuck on this until I restart the computer. I have done this about 3 times and it always comes back. None of the programs are registering high CPU usage. My last computer had an overheating problem where the fan was always on and that was part of the reason I switched to Macs - really hoping that issues doesn't follow me from Windows to Mac.

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MacBook :: Electricity Usage On Standby Is High

Jul 8, 2009

I bought one of these: [URL] and decided to do an experiment, now on standby (Laptop cover closed) it consumes 1.432 per night (8 hours). Laptop on standby, Cover Open but Display in Sleep mode for 8 hours costs 4.731 per day. So that means per month on standby at night, my Macbook costs 44.392. This can't be right? Because if it is, I might have to turn it off at night from now on.

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